HP 6125XLG R2306-HP 6125XLG Blade Switch IP Multicast Configuration Guide - Page 80
Enabling PIM-SM, Configuring an RP, Configuring a static RP
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Enabling PIM-SM Enable IP multicast routing before you configure PIM. With PIM-SM enabled on interfaces, routers can establish PIM neighbor relationship and process PIM messages from their PIM neighbors. When you deploy a PIM-SM domain, HP recommends that you enable PIM-SM on all non-border interfaces. IMPORTANT: All the interfaces on the same router must operate in the same PIM mode. To enable PIM-SM: Step 1. Enter system view. 2. Enable IP multicast routing. 3. Enter interface view. 4. Enable PIM-SM. Command system-view multicast routing-enable interface interface-type interface-number pim sm Remarks N/A By default, IP multicast routing is disabled. N/A By default, PIM-SM is disabled. Configuring an RP An RP can provide services for multiple multicast groups. However, only one RP can forward multicast traffic for a multicast group at a moment. An RP can be manually configured or dynamically elected through the BSR mechanism. For a large-scaled PIM network, configuring static RPs is a tedious job. Generally, static RPs are backups for dynamic RPs to enhance the robustness and operational manageability on a multicast network. Configuring a static RP If only one dynamic RP exists on a network, you can configure a static RP to avoid communication interruption caused by single-point failures. It can also avoid waste of bandwidth due to frequent message exchange between C-RPs and the BSR. The static RP configuration must be the same on all routers in the PIM-SM domain. To configure a static RP: Step 1. Enter system view. 2. Enter PIM view. 3. Configure a static RP for PIM-SM. Command Remarks system-view N/A pim N/A static-rp rp-address [ acl-number | By default, no static RP is preferred ] * configured. 73